{"id":"CVE-2026-98304","state":"PUBLISHED","title":"net: bcmgenet: restore the hardware filters on open","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: bcmgenet: restore the hardware filters on open\n\nbcmgenet_hfb_init() runs INIT_LIST_HEAD() on priv->rxnfc_list, which drops\nevery rule off the list, and bcmgenet_open() calls it on each ifup. Every\nrule the user configured is silently lost:\n\n  # ethtool -N eth0 flow-type ether dst $MAC action 0\n  Added rule with ID 0\n  # ethtool -n eth0 | grep -c Filter:\n  1\n  # ip link set eth0 down && ip link set eth0 up\n  # ethtool -n eth0 | grep -c Filter:\n  0\n\nInitialise the lists once at probe and restore the rules on open, as\nbcmgenet_resume() already does.","publishedAt":"2026-10-06T08:46:01.353Z","updatedAt":"2026-10-19T09:17:15.103Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"3e370952287c55e5fd240cb8bb41ef8acff8829d","status":"affected","lessThan":"56db7ec462d6a2b886e299ad835109c089606969","versionType":"git"},{"version":"3e370952287c55e5fd240cb8bb41ef8acff8829d","status":"affected","lessThan":"906140955c8debde65afe12e594e04c49a61b0d9","versionType":"git"},{"version":"3e370952287c55e5fd240cb8bb41ef8acff8829d","status":"affected","lessThan":"23ca4ddc4fce2c233a49e9fd34d4b5b02bd7324e","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/broadcom/genet/bcmgenet.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.8","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.8","versionType":"semver"},{"version":"6.18.54","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.8","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/broadcom/genet/bcmgenet.c"]}],"references":["https://git.kernel.org/stable/c/56db7ec462d6a2b886e299ad835109c089606969","https://git.kernel.org/stable/c/906140955c8debde65afe12e594e04c49a61b0d9","https://git.kernel.org/stable/c/23ca4ddc4fce2c233a49e9fd34d4b5b02bd7324e"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:43.249Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/98xxx/CVE-2026-98304.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-98304","state":"PUBLISHED","datePublished":"2026-10-06T08:46:01.353Z","dateUpdated":"2026-10-19T09:17:15.103Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-25T10:25:14.338Z"},"containers":{"cna":{"title":"net: bcmgenet: restore the hardware filters on open","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: bcmgenet: restore the hardware filters on open\n\nbcmgenet_hfb_init() runs INIT_LIST_HEAD() on priv->rxnfc_list, which drops\nevery rule off the list, and bcmgenet_open() calls it on each ifup. Every\nrule the user configured is silently lost:\n\n  # ethtool -N eth0 flow-type ether dst $MAC action 0\n  Added rule with ID 0\n  # ethtool -n eth0 | grep -c Filter:\n  1\n  # ip link set eth0 down && ip link set eth0 up\n  # ethtool -n eth0 | grep -c Filter:\n  0\n\nInitialise the lists once at probe and restore the rules on open, as\nbcmgenet_resume() already does."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"3e370952287c55e5fd240cb8bb41ef8acff8829d","status":"affected","lessThan":"56db7ec462d6a2b886e299ad835109c089606969","versionType":"git"},{"version":"3e370952287c55e5fd240cb8bb41ef8acff8829d","status":"affected","lessThan":"906140955c8debde65afe12e594e04c49a61b0d9","versionType":"git"},{"version":"3e370952287c55e5fd240cb8bb41ef8acff8829d","status":"affected","lessThan":"23ca4ddc4fce2c233a49e9fd34d4b5b02bd7324e","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/broadcom/genet/bcmgenet.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.8","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.8","versionType":"semver"},{"version":"6.18.54","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.8","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/broadcom/genet/bcmgenet.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/56db7ec462d6a2b886e299ad835109c089606969"},{"url":"https://git.kernel.org/stable/c/906140955c8debde65afe12e594e04c49a61b0d9"},{"url":"https://git.kernel.org/stable/c/23ca4ddc4fce2c233a49e9fd34d4b5b02bd7324e"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-19T09:17:15.103Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.8","versionEndExcluding":"6.18.54"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.8","versionEndExcluding":"7.2.8"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.8","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}